#include <iostream>

using namespace std;

const int N = 1e6 + 10;
int a[N], b[N], c[N];
int la, lb, lc;

void add(int c[], int a[], int  b[])
{
	for(int i = 0; i < lc; i++)
	{
		c[i] += a[i] + b[i];
		c[i + 1] = c[i] / 10;
		c[i] %= 10;
	}
	if(c[lc]) lc++;
}

int main()
{
	string s1, s2; cin >> s1 >> s2;
	la = s1.size(), lb = s2.size(), lc = max(la, lb);
	
	for(int i = 0; i < la; i++) a[la - 1 - i] = s1[i] - '0';
	for(int i = 0; i < lb; i++) b[lb - 1 - i] = s2[i] - '0';
	
	add(c, a, b);
	
	for(int i = lc - 1; i >= 0; i--) cout << c[i];
	return 0;
}
